Home / 108,075.27-149,143.30-62,764.39

Finding the Fourth Proportional to 108,075.27, 149,143.30 and 62,764.39

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Solution

The fourth proportional to 108,075.27, 149,143.30 and 62,764.39 is: 86,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,075.27 : 149,143.30 = 62,764.39 : x
  2. Step 2: Convert to fraction form
    108,075.27/149,143.30 = 62,764.39/x
  3. Step 3: Cross multiply
    108,075.27x = 149,143.30 × 62,764.39
  4. Step 4: Simplify right side
    108,075.27x = 9,360,888,247.09
  5. Step 5: Solve for x
    x = 9,360,888,247.09/108,075.27
  6. Step 6: Final answer
    x = 86,614.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.